Benzene and polynuclear hydrocarbons containing more than two benzene rings fused together are

The hydrocarbons containing more than two benzene rings fused together are called ____ aromatic hydrocarbons

__________ contain one or more benzene rings .

The strongest deactivating effect on benzene ring is

Benzene and other aromatic hydrocarbons, though contain pi -bonds, yet they behave as saturated hydrocarbons. They are stable because of delocalisation of cloud. These undergo electrophilic substitution reactions as : C_(6)H_(5)-H + YZ to C_(6)H_(5)Y +HZ The reactivity of aromatic hydrocarbons towards electrophilic substitution depends upon the electron density in the benzene ring Nitration of benzene undergoes in the presence of

Benzene and other aromatic hydrocarbons, though contain pi -bonds, yet they behave as saturated hydrocarbons. They are stable because of delocalisation of cloud. These undergo electrophilic substitution reactions as : C_(6)H_(5)-H + YZ to C_(6)H_(5)Y +HZ The reactivity of aromatic hydrocarbons towards electrophilic substitution depends upon the electron density in the benzene ring Which reagent cannot be used in Friedel Craft alkylation of benzene?

Benzene and other aromatic hydrocarbons, though contain pi -bonds, yet they behave as saturated hydrocarbons. They are stable because of delocalisation of cloud. These undergo electrophilic substitution reactions as : C_(6)H_(5)-H + YZ to C_(6)H_(5)Y +HZ The reactivity of aromatic hydrocarbons towards electrophilic substitution depends upon the electron density in the benzene ring The electrophile in sulphonation of benzene is

Three fused benzene rings are found in